found = {
    "a":0,
    "e":0,
    "b":0,
    "d":0,
    "f":0
}
shuru = input("请输入一个字母：")
for i in shuru:
    if i in found:
        found[i]+=1

for item i found:
    print(item,"is found",found[item],"time(s)")
